git.sesse.net Git - vlc/blob - modules/gui/hildon/maemo_input.c

   1 /*****************************************************************************
   2  * maemo_input.c : Input handling for the maemo plugin
   3  *****************************************************************************
   4  * Copyright (C) 2008 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Antoine Lejeune <phytos@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #ifdef HAVE_CONFIG_H
  25 # include "config.h"
  26 #endif
  27
  28 #include <vlc_common.h>
  29
  30 #include "maemo.h"
  31 #include "maemo_input.h"
  32
  33 static int input_event_cb( vlc_object_t *p_this, const char *psz_var,
  34                            vlc_value_t oldval, vlc_value_t newval, void *param );
  35
  36
  37 gboolean process_events( gpointer data )
  38 {
  39     intf_thread_t *p_intf = (intf_thread_t *)data;
  40     vlc_spin_lock( &p_intf->p_sys->event_lock );
  41
  42     int i_event = p_intf->p_sys->i_event;
  43     p_intf->p_sys->i_event = 0;
  44
  45     vlc_spin_unlock( &p_intf->p_sys->event_lock );
  46     if( i_event )
  47     {
  48         if( i_event & EVENT_PLAYLIST_CURRENT )
  49             item_changed_pl( p_intf );
  50         if( i_event & EVENT_ACTIVITY )
  51             item_changed_pl( p_intf );
  52         if( i_event & EVENT_ITEM_CHANGED )
  53             item_changed( p_intf );
  54         if( i_event & EVENT_INTF_CHANGED )
  55             update_position( p_intf );
  56     }
  57
  58     return TRUE;
  59 }
  60
  61 void set_input( intf_thread_t *p_intf, input_thread_t *p_input )
  62 {
  63     if( p_input && !( p_input->b_die || p_input->b_dead ) )
  64     {
  65         p_intf->p_sys->p_input = p_input;
  66         vlc_object_hold( p_input );
  67         var_AddCallback( p_input, "intf-event", input_event_cb, p_intf );
  68
  69         // "Activate" the seekbar
  70         gtk_widget_set_sensitive( GTK_WIDGET( p_intf->p_sys->p_seekbar ), TRUE );
  71     }
  72     else
  73         p_intf->p_sys->p_input = NULL;
  74 }
  75
  76 void delete_input( intf_thread_t *p_intf )
  77 {
  78     if( p_intf->p_sys->p_input )
  79     {
  80         var_DelCallback( p_intf->p_sys->p_input, "intf-event",
  81                          input_event_cb, p_intf );
  82         vlc_object_release( p_intf->p_sys->p_input );
  83         p_intf->p_sys->p_input = NULL;
  84
  85         // Reset the seekbar
  86         hildon_seekbar_set_position( p_intf->p_sys->p_seekbar, 0 );
  87         gtk_widget_set_sensitive( GTK_WIDGET( p_intf->p_sys->p_seekbar ), FALSE );
  88     }
  89 }
  90
  91 void item_changed_pl( intf_thread_t *p_intf )
  92 {
  93     if( p_intf->p_sys->p_input &&
  94         ( p_intf->p_sys->p_input->b_dead || p_intf->p_sys->p_input->b_die ) )
  95     {
  96         delete_input( p_intf );
  97         return;
  98     }
  99
 100     if( !p_intf->p_sys->p_input )
 101     {
 102         set_input( p_intf, playlist_CurrentInput( p_intf->p_sys->p_playlist ) );
 103     }
 104     return;
 105 }
 106
 107 int playlist_current_cb( vlc_object_t *p_this, const char *psz_var,
 108                          vlc_value_t oldval, vlc_value_t newval, void *param )
 109 {
 110     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 111     intf_thread_t *p_intf = (intf_thread_t *)param;
 112     vlc_spin_lock( &p_intf->p_sys->event_lock );
 113
 114     p_intf->p_sys->i_event |= EVENT_PLAYLIST_CURRENT;
 115
 116     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 117     return VLC_SUCCESS;
 118 }
 119
 120 int activity_cb( vlc_object_t *p_this, const char *psz_var,
 121                  vlc_value_t oldval, vlc_value_t newval, void *param )
 122 {
 123     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 124     intf_thread_t *p_intf = (intf_thread_t *)param;
 125     vlc_spin_lock( &p_intf->p_sys->event_lock );
 126
 127     p_intf->p_sys->i_event |= EVENT_ACTIVITY;
 128
 129     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 130     return VLC_SUCCESS;
 131 }
 132
 133 void item_changed( intf_thread_t *p_intf )
 134 {
 135     GtkButton *p_button = GTK_BUTTON( p_intf->p_sys->p_play_button );
 136     vlc_value_t state;
 137
 138     if( !p_intf->p_sys->p_input )
 139         return;
 140
 141     var_Get( p_intf->p_sys->p_input, "state", &state );
 142
 143     // We change the "play" button
 144     if( state.i_int == PLAYING_S )
 145         gtk_button_set_image( p_button, gtk_image_new_from_stock( "vlc-pause",
 146                               GTK_ICON_SIZE_BUTTON ) );
 147     else
 148         gtk_button_set_image( p_button, gtk_image_new_from_stock( "vlc-play",
 149                               GTK_ICON_SIZE_BUTTON ) );
 150 }
 151
 152 int item_changed_cb( vlc_object_t *p_this, const char *psz_var,
 153                      vlc_value_t oldval, vlc_value_t newval, void *param )
 154 {
 155     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 156     intf_thread_t *p_intf = (intf_thread_t *)param;
 157     vlc_spin_lock( &p_intf->p_sys->event_lock );
 158
 159     p_intf->p_sys->i_event |= EVENT_ITEM_CHANGED;
 160
 161     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 162     return VLC_SUCCESS;
 163 }
 164
 165 void update_position( intf_thread_t *p_intf )
 166 {
 167     if( p_intf->p_sys->p_input )
 168     {
 169         hildon_seekbar_set_total_time( p_intf->p_sys->p_seekbar,
 170                     var_GetTime( p_intf->p_sys->p_input, "length" )/1000000 );
 171         hildon_seekbar_set_position( p_intf->p_sys->p_seekbar,
 172                     var_GetTime( p_intf->p_sys->p_input, "time" )/1000000 );
 173     }
 174 }
 175
 176 int interface_changed_cb( vlc_object_t *p_this, const char *psz_var,
 177                           vlc_value_t oldval, vlc_value_t newval, void *param )
 178 {
 179     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 180     intf_thread_t *p_intf = (intf_thread_t *)param;
 181     vlc_spin_lock( &p_intf->p_sys->event_lock );
 182
 183     p_intf->p_sys->i_event |= EVENT_INTF_CHANGED;
 184
 185     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 186     return VLC_SUCCESS;
 187 }
 188
 189 static int input_event_cb( vlc_object_t *p_this, const char *psz_var,
 190                            vlc_value_t oldval, vlc_value_t newval, void *param )
 191 {
 192     if( newval.i_int == INPUT_EVENT_STATE )
 193         return item_changed_cb( p_this, psz_var, oldval, newval, param );
 194     else
 195         return interface_changed_cb( p_this, psz_var, oldval, newval, param );
 196 }